Unit tests for RenderGeometryRenderer

Change-Id: I219eb25be01650f81c9529c3ba1613eb012e2f48
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>

3 files changed, 248 insertions, 1 deletions

diff --git a/tests/auto/render/render.pro b/tests/auto/render/render.pro
index 0a3e6322f..b8b334c86 100644
--- a/tests/auto/render/render.pro
+++ b/tests/auto/render/render.pro
@@ -20,5 +20,6 @@ contains(QT_CONFIG, private_tests) {
         qgeometryrenderer \
         renderbuffer \
         renderattribute \
-        rendergeometry
+        rendergeometry \
+        rendergeometryrenderer
 }
diff --git a/tests/auto/render/rendergeometryrenderer/rendergeometryrenderer.pro b/tests/auto/render/rendergeometryrenderer/rendergeometryrenderer.pro
new file mode 100644
index 000000000..164a5365d
--- /dev/null
+++ b/tests/auto/render/rendergeometryrenderer/rendergeometryrenderer.pro
@@ -0,0 +1,9 @@
+TEMPLATE = app
+
+TARGET = tst_rendergeometryrenderer
+
+QT += 3dcore 3dcore-private 3drenderer 3drenderer-private testlib
+
+CONFIG += testcase
+
+SOURCES += tst_rendergeometryrenderer.cpp
diff --git a/tests/auto/render/rendergeometryrenderer/tst_rendergeometryrenderer.cpp b/tests/auto/render/rendergeometryrenderer/tst_rendergeometryrenderer.cpp
new file mode 100644
index 000000000..d6a933240
--- /dev/null
+++ b/tests/auto/render/rendergeometryrenderer/tst_rendergeometryrenderer.cpp
@@ -0,0 +1,237 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 Klaralvdalens Datakonsult AB (KDAB).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the Qt3D module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL3$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see http://www.qt.io/terms-conditions. For further
+** information use the contact form at http://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPLv3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or later as published by the Free
+** Software Foundation and appearing in the file LICENSE.GPL included in
+** the packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 2.0 requirements will be
+** met: http://www.gnu.org/licenses/gpl-2.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtTest/QTest>
+#include <Qt3DRenderer/private/rendergeometryrenderer_p.h>
+#include <Qt3DRenderer/qgeometry.h>
+#include <Qt3DCore/qscenepropertychange.h>
+
+class tst_RenderGeometryRenderer : public QObject
+{
+    Q_OBJECT
+private Q_SLOTS:
+
+    void checkPeerPropertyMirroring()
+    {
+        // GIVEN
+        Qt3D::Render::RenderGeometryRenderer renderGeometryRenderer;
+        Qt3D::QGeometryRenderer geometryRenderer;
+        Qt3D::QGeometry geometry;
+
+        geometryRenderer.setInstanceCount(1584);
+        geometryRenderer.setBaseVertex(750);
+        geometryRenderer.setBaseInstance(883);
+        geometryRenderer.setRestartIndex(65536);
+        geometryRenderer.setPrimitiveRestart(true);
+        geometryRenderer.setPrimitiveType(Qt3D::QGeometryRenderer::Patches);
+        geometryRenderer.setGeometry(&geometry);
+
+        // WHEN
+        renderGeometryRenderer.setPeer(&geometryRenderer);
+
+        // THEN
+        QCOMPARE(renderGeometryRenderer.peerUuid(), geometryRenderer.id());
+        QCOMPARE(renderGeometryRenderer.isDirty(), true);
+        QCOMPARE(renderGeometryRenderer.instanceCount(), geometryRenderer.instanceCount());
+        QCOMPARE(renderGeometryRenderer.baseVertex(), geometryRenderer.baseVertex());
+        QCOMPARE(renderGeometryRenderer.baseInstance(), geometryRenderer.baseInstance());
+        QCOMPARE(renderGeometryRenderer.restartIndex(), geometryRenderer.restartIndex());
+        QCOMPARE(renderGeometryRenderer.primitiveRestart(), geometryRenderer.primitiveRestart());
+        QCOMPARE(renderGeometryRenderer.primitiveType(), geometryRenderer.primitiveType());
+        QCOMPARE(renderGeometryRenderer.geometryId(), geometry.id());
+    }
+
+    void checkInitialAndCleanedUpState()
+    {
+        // GIVEN
+        Qt3D::Render::RenderGeometryRenderer renderGeometryRenderer;
+
+        // THEN
+        QVERIFY(renderGeometryRenderer.peerUuid().isNull());
+        QVERIFY(renderGeometryRenderer.geometryId().isNull());
+        QCOMPARE(renderGeometryRenderer.isDirty(), false);
+        QCOMPARE(renderGeometryRenderer.instanceCount(), 0);
+        QCOMPARE(renderGeometryRenderer.baseVertex(), 0);
+        QCOMPARE(renderGeometryRenderer.baseInstance(), 0);
+        QCOMPARE(renderGeometryRenderer.restartIndex(), -1);
+        QCOMPARE(renderGeometryRenderer.primitiveRestart(), false);
+        QCOMPARE(renderGeometryRenderer.primitiveType(), Qt3D::QGeometryRenderer::Triangles);
+
+        // GIVEN
+        Qt3D::QGeometryRenderer geometryRenderer;
+        Qt3D::QGeometry geometry;
+
+        geometryRenderer.setInstanceCount(454);
+        geometryRenderer.setBaseVertex(427);
+        geometryRenderer.setBaseInstance(383);
+        geometryRenderer.setRestartIndex(555);
+        geometryRenderer.setPrimitiveRestart(true);
+        geometryRenderer.setPrimitiveType(Qt3D::QGeometryRenderer::Patches);
+        geometryRenderer.setGeometry(&geometry);
+
+        // WHEN
+        renderGeometryRenderer.updateFromPeer(&geometryRenderer);
+        renderGeometryRenderer.cleanup();
+
+        // THEN
+        QVERIFY(renderGeometryRenderer.peerUuid().isNull());
+        QVERIFY(renderGeometryRenderer.geometryId().isNull());
+        QCOMPARE(renderGeometryRenderer.isDirty(), false);
+        QCOMPARE(renderGeometryRenderer.instanceCount(), 0);
+        QCOMPARE(renderGeometryRenderer.baseVertex(), 0);
+        QCOMPARE(renderGeometryRenderer.baseInstance(), 0);
+        QCOMPARE(renderGeometryRenderer.restartIndex(), -1);
+        QCOMPARE(renderGeometryRenderer.primitiveRestart(), false);
+        QCOMPARE(renderGeometryRenderer.primitiveType(), Qt3D::QGeometryRenderer::Triangles);
+    }
+
+    void checkPropertyChanges()
+    {
+        // GIVEN
+        Qt3D::Render::RenderGeometryRenderer renderGeometryRenderer;
+
+        QVERIFY(!renderGeometryRenderer.isDirty());
+
+        // WHEN
+        Qt3D::QScenePropertyChangePtr updateChange(new Qt3D::QScenePropertyChange(Qt3D::NodeUpdated, Qt3D::QSceneChange::Node, Qt3D::QNodeId()));
+        updateChange->setPropertyName("instanceCount");
+        updateChange->setValue(2);
+        renderGeometryRenderer.sceneChangeEvent(updateChange);
+
+        // THEN
+        QCOMPARE(renderGeometryRenderer.instanceCount(), 2);
+        QVERIFY(renderGeometryRenderer.isDirty());
+
+        renderGeometryRenderer.unsetDirty();
+        QVERIFY(!renderGeometryRenderer.isDirty());
+
+        // WHEN
+        updateChange.reset(new Qt3D::QScenePropertyChange(Qt3D::NodeUpdated, Qt3D::QSceneChange::Node, Qt3D::QNodeId()));
+        updateChange->setPropertyName("baseVertex");
+        updateChange->setValue(65);
+        renderGeometryRenderer.sceneChangeEvent(updateChange);
+
+        // THEN
+        QCOMPARE(renderGeometryRenderer.baseVertex(), 65);
+        QVERIFY(renderGeometryRenderer.isDirty());
+
+        renderGeometryRenderer.unsetDirty();
+        QVERIFY(!renderGeometryRenderer.isDirty());
+
+        // WHEN
+        updateChange.reset(new Qt3D::QScenePropertyChange(Qt3D::NodeUpdated, Qt3D::QSceneChange::Node, Qt3D::QNodeId()));
+        updateChange->setPropertyName("baseInstance");
+        updateChange->setValue(82);
+        renderGeometryRenderer.sceneChangeEvent(updateChange);
+
+        // THEN
+        QCOMPARE(renderGeometryRenderer.baseInstance(), 82);
+        QVERIFY(renderGeometryRenderer.isDirty());
+
+        renderGeometryRenderer.unsetDirty();
+        QVERIFY(!renderGeometryRenderer.isDirty());
+
+        // WHEN
+        updateChange.reset(new Qt3D::QScenePropertyChange(Qt3D::NodeUpdated, Qt3D::QSceneChange::Node, Qt3D::QNodeId()));
+        updateChange->setPropertyName("restartIndex");
+        updateChange->setValue(46);
+        renderGeometryRenderer.sceneChangeEvent(updateChange);
+
+        // THEN
+        QCOMPARE(renderGeometryRenderer.restartIndex(), 46);
+        QVERIFY(renderGeometryRenderer.isDirty());
+
+        renderGeometryRenderer.unsetDirty();
+        QVERIFY(!renderGeometryRenderer.isDirty());
+
+        // WHEN
+        updateChange.reset(new Qt3D::QScenePropertyChange(Qt3D::NodeUpdated, Qt3D::QSceneChange::Node, Qt3D::QNodeId()));
+        updateChange->setPropertyName("primitiveRestart");
+        updateChange->setValue(true);
+        renderGeometryRenderer.sceneChangeEvent(updateChange);
+
+        // THEN
+        QCOMPARE(renderGeometryRenderer.primitiveRestart(), true);
+        QVERIFY(renderGeometryRenderer.isDirty());
+
+        renderGeometryRenderer.unsetDirty();
+        QVERIFY(!renderGeometryRenderer.isDirty());
+
+        // WHEN
+        updateChange.reset(new Qt3D::QScenePropertyChange(Qt3D::NodeUpdated, Qt3D::QSceneChange::Node, Qt3D::QNodeId()));
+        updateChange->setPropertyName("primitiveType");
+        updateChange->setValue(static_cast<int>(Qt3D::QGeometryRenderer::LineLoop));
+        renderGeometryRenderer.sceneChangeEvent(updateChange);
+
+        // THEN
+        QCOMPARE(renderGeometryRenderer.primitiveType(), Qt3D::QGeometryRenderer::LineLoop);
+        QVERIFY(renderGeometryRenderer.isDirty());
+
+        renderGeometryRenderer.unsetDirty();
+        QVERIFY(!renderGeometryRenderer.isDirty());
+
+        // WHEN
+        updateChange.reset(new Qt3D::QScenePropertyChange(Qt3D::NodeAdded, Qt3D::QSceneChange::Node, Qt3D::QNodeId()));
+        Qt3D::QNodeId geometryId = Qt3D::QNodeId::createId();
+        updateChange->setValue(QVariant::fromValue(geometryId));
+        updateChange->setPropertyName("geometry");
+        renderGeometryRenderer.sceneChangeEvent(updateChange);
+
+        // THEN
+        QCOMPARE(renderGeometryRenderer.geometryId(), geometryId);
+        QVERIFY(renderGeometryRenderer.isDirty());
+
+        renderGeometryRenderer.unsetDirty();
+        QVERIFY(!renderGeometryRenderer.isDirty());
+
+        // WHEN
+        updateChange.reset(new Qt3D::QScenePropertyChange(Qt3D::NodeRemoved, Qt3D::QSceneChange::Node, Qt3D::QNodeId()));
+        updateChange->setValue(QVariant::fromValue(geometryId));
+        updateChange->setPropertyName("geometry");
+        renderGeometryRenderer.sceneChangeEvent(updateChange);
+
+        // THEN
+        QCOMPARE(renderGeometryRenderer.geometryId(), Qt3D::QNodeId());
+        QVERIFY(renderGeometryRenderer.isDirty());
+
+        renderGeometryRenderer.unsetDirty();
+        QVERIFY(!renderGeometryRenderer.isDirty());
+    }
+};
+
+QTEST_APPLESS_MAIN(tst_RenderGeometryRenderer)
+
+#include "tst_rendergeometryrenderer.moc"